Question

Q-1. A person is travelling from A to B with a speed 20 miles/hr and returns from
B to A with a speed of 30 miles/hr. Find the Average speed of total journey ?​

Answer 1

Answer:

30

Step-by-step explanation:

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Answer 2

Answer:

24 miles/hr

Step-by-step explanation:

its formula is 2(v1)(v2)/(v1)+(v2)

2(20)(30)/20+30

=1200/50

=24

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